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13234123 = 73721381
BaseRepresentation
bin110010011110…
…111111001011
3220220100210201
4302132333023
511341442443
61151353031
7220326310
oct62367713
926810721
1013234123
117519aa1
124522777
132984956
141a86d07
15126634d
hexc9efcb

13234123 has 12 divisors (see below), whose sum is σ = 15555792. Its totient is φ = 11028960.

The previous prime is 13234099. The next prime is 13234141. The reversal of 13234123 is 32143231.

It is not a de Polignac number, because 13234123 - 213 = 13225931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13234123.

It is not an unprimeable number, because it can be changed into a prime (13234183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8893 + ... + 10273.

It is an arithmetic number, because the mean of its divisors is an integer number (1296316).

Almost surely, 213234123 is an apocalyptic number.

13234123 is a deficient number, since it is larger than the sum of its proper divisors (2321669).

13234123 is an equidigital number, since it uses as much as digits as its factorization.

13234123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462 (or 1425 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 13234123 is about 3637.8734172590. The cubic root of 13234123 is about 236.5366212303.

Adding to 13234123 its reverse (32143231), we get a palindrome (45377354).

The spelling of 13234123 in words is "thirteen million, two hundred thirty-four thousand, one hundred twenty-three".

Divisors: 1 7 37 259 1369 1381 9583 9667 51097 357679 1890589 13234123